Title:
BARRIER LAMINATE, AND PACKAGING CONTAINER EQUIPPED WITH SAID BARRIER LAMINATE
Document Type and Number:
WIPO Patent Application WO/2021/065888
Kind Code:
A1
Abstract:
[Problem] To provide a barrier laminate which is provided with a multi-layer base material having excellent interlayer adhesiveness to a vapor deposition film and has high gas barrier properties. [Solution] The barrier laminate of the present invention is provided with a multi-layer base material, a vapor deposition film and a sealant layer, and is characterized in that the multi-layer base material undergoes a stretching treatment, the multi-layer base material is provided with at least a polypropylene resin layer and a surface resin layer, the surface resin layer comprises a resin material having a melting point of 180℃ or higher, and the vapor deposition film is composed of an inorganic oxide.
Inventors:
FURUYA SHUNSUKE (JP)
YAMATO YOHEI (JP)
OKUMURA SHOHEI (JP)
SUZUKI TSUYOSHI (JP)
TAKAHASHI HIDEAKI (JP)
YAMATO YOHEI (JP)
OKUMURA SHOHEI (JP)
SUZUKI TSUYOSHI (JP)
TAKAHASHI HIDEAKI (JP)
Application Number:
PCT/JP2020/036840
Publication Date:
April 08, 2021
Filing Date:
September 29, 2020
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B32B9/00; B32B27/00; B32B27/28; B32B27/30; B32B27/32; B32B27/36; B32B27/40; B65D65/40
Domestic Patent References:
| WO2015087976A1 | 2015-06-18 | |||
| WO2020045629A1 | 2020-03-05 |
Foreign References:
| JP2001191462A | 2001-07-17 | |||
| JP2014531341A | 2014-11-27 | |||
| JP2006256626A | 2006-09-28 |
Attorney, Agent or Firm:
NAKAMURA Yukitaka et al. (JP)
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